Screenshots
Watch trailer on Steam ↗虚衝 - Kyosho
むつむつプロジェクト（Mutsu'pro） · Published by むつむつプロジェクト（Mutsu'pro） · Official site ↗
Content notice: This work contains mild blood and animal carcasses.
2 achievements
Last updated 5 Sept 2026
A one-hit kill game that embodies tension and a sense of relief. As you slash away at the waves of defeated warriors, use your inventory to solve puzzles and uncover the secrets of the samurai mansion. In this cursed mansion in dire straits, can you survive and uncover the truth?
£8.50
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Price history
Action, Adventure, Indie, Strategy · 2025 · More £5 - £15 games
Explore the tense corridors of Kyosho, a one-hit kill game where each slash brings you closer to solving mysteries and surviving in a perilous samurai mansion.
About this game
A one-hit kill game that embodies tension and a sense of relief.
As you slash away at the waves of defeated warriors, use your inventory to solve puzzles and uncover the secrets of the samurai mansion.
In this cursed mansion in dire straits, can you survive and uncover the truth?
A Puzzle Adventure Like No Other
In this unique blend of puzzle-solving and horror, every item you collect transforms into a polyomino-shaped piece. Use these pieces creatively: solve intricate puzzles, craft tools, unlock paths, or even sacrifice them in moments of desperation. Adapt your strategy and make the most of your inventory—how you survive is entirely up to you.
Face Undead Warriors with Iaido Precision
Explore a haunted samurai residence, where restless spirits of fallen warriors still roam. Engage in intense one-on-one encounters using finely tuned Iaido sword techniques, timed dodges, and parry counters. Overcome fear through skillful slashes that break the tension and offer moments of exhilarating relief.
Video Posting Guidelines
The video posting guidelines for "虚衝 - Kyosho" stipulate the conditions and prohibitions for posting videos and images using this game to online video distribution sites (including live streaming).
If you post videos and images using this game in accordance with these guidelines, there is no need to contact us individually.
*If you are a corporation or other organization and would like to post videos and images using this game, please contact us via the email address listed on the Mutsu Mutsu Project official website.
Please include the name of the game, "虚衝 - Kyosho" or "Kyosho" in the title field of your video post or live stream.
Please include the Steam store page URL in the summary or description field of your video post or live stream.
Monetization is only possible if you use the monetization methods provided by the designated video sharing site (*1) (ad revenue, super chat, tips, donations, etc.). Monetization in other cases is prohibited.
Mutsu'pro(むつむつプロジェクト) is not responsible for any damage or trouble that occurs during video post or live stream.
The following content is prohibited from being posted.
Anything that violates public order and morals
anything that includes religious solicitation
anything that significantly damages the value of the game
These guidelines are subject to change without notice.
*1: Designated video sharing sites (Youtube, Niconico, Twitch, TwitCasting, TikTok)
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: Windows® 10
- Processor: Intel® Core™ i3 or AMD Ryzen™ 3
- Memory: 8 GB RAM
- Graphics: NVIDIA® GeForce® GTX 960
- DirectX: Version 12
- Storage: 2 GB available space
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows® 11
- Processor: Intel® Core™ i5 or AMD Ryzen™ 5
- Memory: 16 GB RAM
- Graphics: NVIDIA® GeForce® RTX 3060
- Storage: 2 GB available space
Supported Languages
Latest news
AnnouncementsOfficial
The final chapter, "Sandatsutan" is finally released in full!!
The most terrifying and stylish Japanese horror game ever has come to an end.Use parrying techniques and precise dodges to wipe out the monsters that infest the cursed samurai mansion...!After 300 years, the final battle begins.Early access ends on November 21st(JST). The final chapter, "Sandatsutan: Tales of Usurpation," adds new actions and an assist mode that even those less adept at action can enjoy! Enjoy the action with simple controls!New weapons, new actions, and a new threat.The story concludes and all is revealed...!Time attack elements have been added.※Crowdfunding is running on CAMPFIRE until October 31st(JST)! Click here for details:CAMPFIRE - Support the ProjectRead full article on Community Announcements (Mutsu'pro)Patch NotesOfficial
Update ver1.0.3
The following updates have been made to ver1.0.3.Gamepad (Xbox) SupportThis update supports gamepad (Xbox) operation!The game also supports real-time device changes. If you have both a keyboard & mouse and a gamepad, you can switch devices at any time you like!Improved comfortUntil now, the puzzle on the induction table (puzzle table) was automatically solved the moment you stored more than the required value on the induction table, but a new "trade button" has been introduced to prevent it from being solved automatically.In the battle tutorial, you can no longer swing your sword unless you take the required steps.In order to make it clear at a glance whether you are concentrating, we have improved it so that the "Mist Stance" motion is inserted when you are concentrating.Bug fixes, etc.Hotfix for the issue where the induction table would not be released even if you stored the same amount of value as the required value of the induction table.Other minor fixesRead full article on Community Announcements (Mutsu'pro)Patch NotesOfficial
Update ver1.0.2
The following corrections and adjustments have been made. Fixed a bug where concentration analysis was not performed correctly when concentrating on another fallen warrior after successfully dispelling evil spirits or performing an Iaido-slash. Changed the required value of some guidance platforms. Adjusted the volume of Hannya's voice. Overall adjustment of initial volume. Lowered the lower limit of each volume adjustment bar. The development team has also confirmed the following issues. We will address them as soon as we find the cause. Problem where the guidance platform is not released even if the same amount of value as the required value of the guidance platform is paid. Problem where item respawning does not work properly under certain conditions.Read full article on Community Announcements (Mutsu'pro)Patch NotesOfficial
Update ver1.0.1
The following fixes have been made: Fixed a bug where the volume of some sound sources would not change even if the volume was adjustedRead full article on Community Announcements (Mutsu'pro)AnnouncementsOfficial
Early Access Begins on Steam – May 21!
We are pleased to announce that the early access release date for the horror game "Kyosho - 虚衝", which was previously postponed from December 25, 2024, has been officially rescheduled for May 21, 2025. Originally planned for release on December 25 last year, the game’s launch was delayed due to the store approval process. We have now successfully passed the review, and the new early access date is confirmed. Initially, early access was to feature only a selection of chapters. However, thanks to updates made during the delay, the early access version will now include all chapters, significantly expanding the game’s volume and content at launch. We remain fully committed to delivering the best possible experience to our players. Thank you for your continued support of Kyosho - 虚衝!Read full article on Community Announcements (Mutsu'pro)
